* {
  margin: 0;
  padding: 0;
}

.about {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: rgb(29, 76, 80);
}

.about_bgc {
  width: 100%
}


.ribbon {
  display: flex;
  justify-content: center;
  position: absolute;
  right: 0;
  top: 0;
  margin: auto;
}


.ribbon:after,
.ribbon:before {
  margin-top: 0.5em;
  content: "";
  display: flex;
  ;
  border: 1.5em solid #fff;
}

.ribbon:after {
  border-right-color: transparent;
}

.ribbon:before {
  border-left-color: transparent;
}

.ribbon a:link,
.ribbon a:visited {
  color: #000;
  text-decoration: none;
  height: 3.5em;
  overflow: hidden;
}

.ribbon span {
  background: #fff;
  display: inline-block;
  line-height: 3em;
  padding: 0 1.5em;
  margin-top: 0.5em;
  position: relative;
  -webkit-transition: background-color 0.2s, margin-top 0.2s;
  /* Saf3.2+, Chrome */
  -moz-transition: background-color 0.2s, margin-top 0.2s;
  /* FF4+ */
  -ms-transition: background-color 0.2s, margin-top 0.2s;
  /* IE10 */
  -o-transition: background-color 0.2s, margin-top 0.2s;
  /* Opera 10.5+ */
  transition: background-color 0.2s, margin-top 0.2s;
}

.ribbon a:hover span {
  background: #FFD204;
  margin-top: 0;
}

.ribbon span:before {
  content: "";
  position: absolute;
  top: 3em;
  left: 0;
  border-right: 0.5em solid #9B8651;
  border-bottom: 0.5em solid #fff;
}

.ribbon span:after {
  content: "";
  position: absolute;
  top: 3em;
  right: 0;
  border-left: 0.5em solid #9B8651;
  border-bottom: 0.5em solid #fff;
}

.me {
  display: flex;
  justify-content: center;
  margin-top: 60px;
  overflow: hidden;
  background-color: rgb(29, 76, 80);
}

.me_tit {
  width: 600px;
  line-height: 36px;
  font-size: 18px;
  margin-left: 100px;
  margin-top: 50px;
}

.me_img {
  width: 800px;
  height: 600px;
}

.animate {
  padding-left: 20px;
  width: 500px;
  font-size: 16px;
  color: #fff;
  animation: 15s wordsLoop linear infinite normal;
}

@keyframes wordsLoop {
  0% {
    transform: translateY(100px);
    -webkit-transform: translateY(100px);
  }

  100% {
    transform: translateY(-100%);
    -webkit-transform: translateY(-100%);
  }
}

.videos {
  display: flex;
  margin-top: 60px;
  padding-bottom: 80px;
}

.videos span {
  width: 400px;
  margin-right: 100px;
  margin-left: 300px;
  color: #fff
}